23 in Roman Numerals
Twenty-three is written XXIII in Roman numerals. You read it left to right, adding each glyph in turn: X for 10, X for 10, I for 1, I for 1, I for 1.
How XXIII is formed
Reading left to right, 23 breaks into these additive parts. Each Roman symbol is added in turn to reach the total.
X + X + I + I + I = 10 + 10 + 1 + 1 + 1 = 23.
Where 23 in Roman numerals is used
- Chapter, act or appendix numbering in books and plays.
- Super Bowl XXIII and other numbered championship events.
- Outlines, exam questions and list items in formal documents.
- Monarch and pope names, for example the 23rd of a royal line.
Good to know about 23
- Super Bowl XXIII was played in 1989; the NFL numbers its championship in Roman numerals (with the one-off exception of Super Bowl 50).
Convert another number
23 is written XXIII in Roman numerals.
Frequently asked questions
How do you write 23 in Roman numerals?
Write 23 as XXIII, combining X + X + I + I + I. Start from the largest value that fits and work down until nothing is left over.
Which Super Bowl is XXIII?
Super Bowl XXIII is the 23rd Super Bowl, played in 1989. The NFL sets its championship number in Roman numerals, which is why so many people look up values like XXIII.
How do you say XXIII in words?
XXIII is 23, spoken as "twenty-three". The numeral is read as the single value 23, not as its separate letters.
What are 22 and 24 in Roman numerals?
22 is XXII and 24 is XXIV. Neighbouring numbers often change length in surprising ways, which is why each has its own page.